Should I routinely order bone scans for ongoing pain after TKA?

I understand that this can be ordered to assess for hardware loosening not seeing on plain films. Makes sense. Would you order it on any post TKA still in pain patient with a negative infectious workup? The issue is that the orthopods that refer the failed TKAs to me for geniculars do not order these ever, although they do often do an infection workup. Interestingly, none of them ever order a bone scan, and I see patients from many different orthopods locally. The point being, if a scan... Should I routinely order bone scans for ongoing pain after TKA?
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